1 // 981208 bkoz test functionality of basic_stringbuf for char_type == wchar_t
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23 #include <testsuite_hooks.h>
25 std::wstring
str_01(L
"mykonos. . . or what?");
26 std::wstringbuf
strb_01(str_01
);
28 // test overloaded virtual functions
31 bool test
__attribute__((unused
)) = true;
33 std::streamsize strmsz_1
, strmsz_2
;
34 typedef std::wstringbuf::int_type int_type
;
35 typedef std::wstringbuf::traits_type traits_type
;
36 typedef std::wstringbuf::pos_type pos_type
;
37 typedef std::wstringbuf::off_type off_type
;
39 int_type c1
= strb_01
.sbumpc();
42 // BUFFER MANAGEMENT & POSITIONING
45 // pubseekoff(off_type off, ios_base::seekdir way, ios_base::openmode which)
46 // alters the stream position to off
47 pos_type
pt_1(off_type(-1));
48 pos_type
pt_2(off_type(0));
51 strb_01
.str(str_01
); //in|out ("mykonos. . . or what?");
55 pt_1
= strb_01
.pubseekoff(2, std::ios_base::beg
);
56 off_1
= off_type(pt_1
);
58 c1
= strb_01
.snextc(); //current in pointer +1
60 c2
= strb_01
.sputc(L
'x'); //test current out pointer
61 str_tmp
= std::wstring(L
"myxonos. . . or what?");
62 VERIFY( strb_01
.str() == str_tmp
);
64 pt_1
= strb_01
.pubseekoff(2, std::ios_base::cur
);
65 off_1
= off_type(pt_1
);
66 VERIFY( off_1
== -1 ); // can't seekoff for in and out + cur in sstreams
67 pt_1
= strb_01
.pubseekoff(2, std::ios_base::cur
, std::ios_base::in
);
68 off_1
= off_type(pt_1
);
69 pt_2
= strb_01
.pubseekoff(2, std::ios_base::cur
, std::ios_base::in
);
70 off_2
= off_type(pt_2
);
71 VERIFY( off_2
== off_1
+ 2 );
72 c1
= strb_01
.snextc(); //current in pointer + 1
74 c2
= strb_01
.sputc(L
'x'); //test current out pointer
75 str_tmp
= std::wstring(L
"myxxnos. . . or what?");
76 VERIFY( strb_01
.str() == str_tmp
);
78 pt_2
= strb_01
.pubseekoff(2, std::ios_base::end
);
79 off_1
= off_type(pt_2
);
80 VERIFY( off_1
== -1 ); // not a valid position
81 VERIFY( strb_01
.str() == str_tmp
);
82 // end part two (from the filebuf tests)
83 strb_01
.pubseekoff(0, std::ios_base::end
);
84 strmsz_1
= strb_01
.in_avail(); // 0 cuz at the end
86 c2
= strb_01
.sungetc();
87 strmsz_2
= strb_01
.in_avail(); // 1
90 VERIFY( strmsz_2
!= strmsz_1
);
91 VERIFY( strmsz_2
== 1 );
93 strmsz_1
= strb_01
.str().size();
94 strmsz_2
= strb_01
.sputn(L
" ravi shankar meets carlos santana in LoHa", 90);
95 strb_01
.pubseekoff(0, std::ios_base::end
);
97 str_tmp
= strb_01
.str();
98 VERIFY(static_cast<std::streamsize
>(str_tmp
.size()) == strmsz_1
+ strmsz_2
+ 1);